Design and performance analysis of an annular fresnel solar concentrator

被引：6

作者：

Liang, Kai ^{[1
]}

Xue, Kaili ^{[1
]}

Zhang, Heng ^{[1
]}

Chen, Haiping ^{[1
]}

Ni, Jianxiong ^{[2
]}

机构：

[1] North China Elect Power Univ, Sch Energy Power & Mech Engn, Beijing 102206, Peoples R China

[2] Yingli Grp Co Ltd, State Key Lab Photovolta Mat & Technol, 3399 North Chaoyang Ave, Baoding 071051, Peoples R China

来源：

ENERGY | 2020年 / 210卷 / 210期

基金：

国家重点研发计划; 中国博士后科学基金;

关键词：

AFSC; Solar concentrator; Deviation analysis; Optical simulation; COMPOUND PARABOLIC CONCENTRATOR; PHOTOVOLTAIC/THERMAL SYSTEM; SIMULATION; OPTIMIZATION; RECEIVER;

D O I：

10.1016/j.energy.2020.118594

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

In this paper, an annular Fresnel solar concentrator (AFSC) is proposed. This novel concentrator was incorporated with a series of annular mirrors, and its performance was simulated using MATLAB software. The influences of different structures were also simulated. The tracking deviation, device deviation, and comprehensive deviation were analysed using different deviation angles. The results demonstrated that this concentrator could simply adjust the concentrating ratio, which reached 300 when the maximum concentrator height was 0.78 m and the maximum diameter was only 1.72 m. Non-linear changes in the performance of the annular Fresnel reflector occurred when the structure size increased linearly. Further, the radiation distribution and performance of the annular Fresnel reflector were found with different deviations. When the tracking deviation angle was 0.5 degrees, the receiving rate was 98.37%. This new AFSC has excellent concentrated solar power (CSP) application prospects. (C) 2020 Elsevier Ltd. All rights reserved.

引用

页数：15

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